Blog

Our team of MySQL database experts regularly blogs on topics that range from MySQL availability, MySQL replication, multi-master MySQL, and MySQL-aware proxies, all the way through to ‘how to’ content for our solutions: Tungsten Clustering, Tungsten Replicator and Tungsten Proxy.

"Why Didn't Our Database Fail Over?" - When NOT Failing Over Is the Right Answer

Technical explanation of why a high availability cluster may intentionally avoid failover, exploring quorum, replication state, cluster decision-making, and the safeguards that protect data integrity during failures.

Eric M. Stone and Csaba Simon

Tungsten University, Cluster Management

GTID Mode on a Tungsten Replicator Target Node: What's Safe, What's Not, and How DDL Really Travels

Technical guide to enabling GTID mode on a Tungsten Replicator target node, covering compatibility, replication internals, DDL propagation, and operational considerations for safe deployment.

Eric M. Stone and Chris Parker

Advanced Replication

Introducing Tungsten Cluster & Tungsten Replicator v8.0.4

Tungsten Cluster and Tungsten Replicator v8.0.4 is a maintenance release focused on security hardening, updated dependencies, stronger diagnostics, improved replication visibility, safer failover behavior, and reliability fixes across core components.

Continuent Team

Continuent News, Cluster Management, Performance, Security

How Tungsten Cluster Achieves Data Integrity With Asynchronous Replication

Technical overview of how Tungsten Cluster achieves data integrity with asynchronous replication, focusing on replication state management, coordinated failover, and strategies to minimize data loss in HA environments.

MySQL High Availability (HA) & Disaster Recovery (DR), Advanced Replication

Running MySQL on Kubernetes in Regulated Environments: Security, Compliance, and Auditability

Learn how to run MySQL on Kubernetes in regulated environments. This guide covers security controls, compliance requirements, auditability, encryption, access management, and operational best practices for production-grade deployments.

Tungsten University, Security

Clustering Tradeoffs in Practice: Galera, Tungsten, and the Jepsen Findings

A practical comparison of MySQL clustering technologies, analyzing Galera and Tungsten using Jepsen findings to highlight trade-offs in consistency, durability, and high availability design.

Competitor Comparisons

Multi-Region MySQL on Kubernetes: Architecture Patterns for Global Scale

A deep dive into multi-region MySQL deployment patterns on Kubernetes, exploring replication models, failover strategies, and the operational trade-offs required to achieve global scale and resilience.

MySQL High Availability (HA) & Disaster Recovery (DR), Cluster Management, Deployment, Geographic Distribution and Geo-Scale

When “Committed” Doesn’t Mean Durable: What Jepsen Found in Galera Cluster

Jepsen found write loss, stale reads, and lost updates in MariaDB Galera Cluster. This article examines what commit actually guarantees and why ordering impacts durability and consistency.

Competitor Comparisons

MySQL Automatic Failover: When to Automate vs. Manual Intervention

A practical guide to MySQL failover strategies, comparing automated and manual approaches, and examining risks such as replication lag, split-brain, and incorrect promotion in high availability environments.

MySQL High Availability (HA) & Disaster Recovery (DR), Cluster Management, Database Administration, Performance

MySQL Archiving: 3 Ways to Clear the Bloat

Practical guide to reducing MySQL data bloat through three archiving approaches: controlled deletes, partitioning, and replication-based offloading, with trade-offs and operational considerations.

Database Administration, Database Scalability

Sneak Peek: Dockerized Tungsten Replicator

Get a first look at the Dockerized Tungsten Replicator. Learn how containerization simplifies deployment, improves portability, and enables flexible MySQL replication across environments including Kubernetes and hybrid cloud setups.

Stéphane Giron

Advanced Replication, Deployment

MySQL Replication Lag – Part 2: Diagnosis and Practical Fixes

Operational guide to diagnosing and resolving MySQL replication lag, covering correct measurement techniques, relay log analysis, bottleneck identification, and practical strategies for reducing replication delay in production systems.

Tungsten University, Advanced Replication, Performance